Synthesis of La3+-imprinted polymer nanoparticles and their application for lanthanum ion determination via an indirect voltammetric method-coupled with competitive extraction of lanthanum in the imprinted polymer modified electrode

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ALIZADEH TAHER; goodarzi zamaneh

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Journal: Applied Chemistry Today Year:2018 | Volume:13 | Issue:48 Page(s): 9-23

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Title

Synthesis of La3+-imprinted polymer nanoparticles and their application for lanthanum ion determination via an indirect voltammetric method-coupled with competitive extraction of lanthanum in the imprinted polymer modified electrode

Author(s)

ALIZADEH TAHER | goodarzi zamaneh | Issue Writer Certificate

Keywords

Ionic imprinted polymerQ1

NanoparticlesQ1

VoltammetryQ1

Lanthanum ionQ1

Abstract

We describe an indirect method for the voltammetric determination of La(III) ion. It is based on competitive extraction of La(III) into an ion-imprinted polymer (IIP) on the surface of a carbon paste electrode (CPE). The nano-sized IIP was synthesized via suspension polymerization in silicone oil and deposited on the CPE. The IIP-modified CPE was then incubated with solutions containing Cu(II) and a solution containing both Cu(II) and La(III) ions. The oxidative stripping differential pulse voltammetric signal for Cu(II) was utilized to determine the competitively extracted quantity of Cu(II). The presence of La(III) reduces the quantity of electroactive lead ions in the IIP located on the CPE. No such effect was observed for the case of a non-imprinted CPE. The effect of various factors on response was optimized. The drop in the signal for Pb(II) as a result of addition of La(III) is proportional to the concentration of La(III). The voltammetric response is linearly related to the concentration of La(III) in the 0. 5 to 70. 0 μ M range, and the detection limit is 0. 1 μ M an SNR of 3. The relative standard deviation is 3. 08 % (for n=5). The electrode is selective for La(III) even in the presence of other lanthanide ions. The method was applied to the determination of La(III) in synthetic and in spiked real samples.

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APA: Copy

ALIZADEH, TAHER, & goodarzi, zamaneh. (2018). Synthesis of La3+-imprinted polymer nanoparticles and their application for lanthanum ion determination via an indirect voltammetric method-coupled with competitive extraction of lanthanum in the imprinted polymer modified electrode. JOURNAL OF APPLIED CHEMISTRY, 13(48 ), 9-23. SID. https://sid.ir/paper/404631/en

Vancouver: Copy

ALIZADEH TAHER, goodarzi zamaneh. Synthesis of La3+-imprinted polymer nanoparticles and their application for lanthanum ion determination via an indirect voltammetric method-coupled with competitive extraction of lanthanum in the imprinted polymer modified electrode. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2018;13(48 ):9-23. Available from: https://sid.ir/paper/404631/en

IEEE: Copy

TAHER ALIZADEH, and zamaneh goodarzi, “Synthesis of La3+-imprinted polymer nanoparticles and their application for lanthanum ion determination via an indirect voltammetric method-coupled with competitive extraction of lanthanum in the imprinted polymer modified electrode,” JOURNAL OF APPLIED CHEMISTRY, vol. 13, no. 48 , pp. 9–23, 2018, [Online]. Available: https://sid.ir/paper/404631/en

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